05 · Core Infrastructure & Private Cloud
Milestones of the roadmap items in this theme
As of 2026-09-03 · today
Gantt
Milestones
| # | Milestone | Start | Target | Status | Waits for | Team | Epic | Derived |
|---|---|---|---|---|---|---|---|---|
| 11 · Enterprise-Grade Harvester HCI | ||||||||
| 11.1 | Fabric L3 design approved — server ↔ ToR routed, BGP to ToR | 2026-07-06 | 2026-08-14 | done | — | SRE | — | — |
| 11.2 | First rack group on L3 fabric — one rack group cut to BGP peering | — | 2026-09-25 | in progress | 11.1 | SRE | — | — |
| 11.3 | All server racks on L3 fabric | — | 2026-11-20 | planned | 11.2 | SRE | — | waiting 11.2 |
| 12 · KVM to Harvester Migration— unplanned | ||||||||
| 13 · Airflow Workflow Orchestration— unplanned | ||||||||
| 14 · DNS Architecture Refactoring— unplanned | ||||||||
| 18 · Kubernetes cluster migration to the L3 fabric | ||||||||
| 18.1 | L3-mode K8s cluster provisioned — MetalLB BGP mode | 2026-08-17 | 2026-09-30 | in progress | 11.2 | SRE | — | waiting 11.2 |
| 18.2 | Services migrated in waves, dual-running | — | 2026-10-23 | planned | — | SRE | — | — |
| 18.3 | Cutover complete, legacy cluster retired | — | 2026-12-18 | planned | 11.3 | SRE | — | waiting 11.3 |
Details
11.1Fabric L3 design approved — server ↔ ToR routed, BGP to ToR2026-08-14done · 2/2
- L2/L3 boundary and BGP peering design noteowner · CharlesWhere the L2 domain ends, which prefixes each ToR advertises, and how servers peer.
- Review with the network teamowner · Charles
11.2First rack group on L3 fabric — one rack group cut to BGP peering2026-09-25in progress · 1/3
- Rack group A ToR BGP configowner · Charles
- Cut servers of rack group A to routed uplinksowner · TBDOne rack at a time, maintenance window per rack; rollback is the L2 trunk config kept on the ToR.
- Validate ECMP and failoverowner · TBD
11.3All server racks on L3 fabric2026-11-20planned · 0/3
- Rack groups B–D cutover wavesowner · TBD
- Decommission L2 trunksowner · TBD
18.1L3-mode K8s cluster provisioned — MetalLB BGP mode2026-09-30in progress · 1/3
- Provision the RKE2 cluster on the L3 fabricowner · Charles
- MetalLB BGP mode peering with the ToR pairowner · TBD
- Paths A · B · C of the datapath doc must each be observed on the new cluster.
18.2Services migrated in waves, dual-running2026-10-23planned · 0/3
- Migration wave plan per namespaceowner · TBD
- Wave 1 services dual-runningowner · TBD
- Waves 2–3 services dual-runningowner · TBD
18.3Cutover complete, legacy cluster retired2026-12-18planned · 0/2
- Final wave cutoverowner · TBD
- Retire the legacy clusterowner · TBD
Back to the H2 2026 overview · the direction behind these milestones is the H2 2026 roadmap.